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Full detail: Where this data comes from
The U.S. Department of the Interior (DOI) manages and conserves federal lands and natural resources across America. DOI's bureaus and offices provide REST APIs and data services covering national park information, water resources, earthquake data, mineral resources, geospatial federal land boundaries, and wildlife data. Key API providers include the National Park Service (NPS), the U.S. Geological Survey (USGS), and the Bureau of Land Management (BLM).
Areas: Federal Government · National Parks · Federal Lands · Water Resources · Wildlife · Minerals · Geospatial · Geology · Native American Affairs · Public Lands
Everything profiled for Department of Interior is published on APIs.io rather than in this repository. Start at the provider page — apis.io/providers/doi/ — or go straight to one of the APIs or properties below.
- NPS Data API — The National Park Service Data API provides authoritative data about NPS sites including parks, alerts, campgrounds, events, visitor centers, news releases,…
- USGS Earthquake Hazards Web Services — Real-time earthquake data feeds, notifications, and web services providing access to seismic event data including location, magnitude, depth, and related…
- USGS Mineral Resources Data API — API access to the USGS Mineral Resources Data System (MRDS) and related mineral deposit databases. Supports geographic queries, bounding box searches, point…
- BLM GIS REST Services — Bureau of Land Management geospatial REST services providing access to federal land status, cadastral data (Public Land Survey System), mineral rights…
- USGS ScienceBase API — ScienceBase provides collaborative scientific data management infrastructure enabling upload, documentation, sharing, and discovery of USGS scientific data…
- Department of Interior Agency Codes API — Code identifying the agency or organization used for site information, data sources, and permitting agencies. Agency codes are fixed values assigned by the…
- Department of Interior Altitude Datums API — The recommended vertical datum is NAVD88 (North American Vertical Datum of 1988) where applicable as stated in Office of Information Technical Memo 2002.01.…
- Department of Interior Aquifer Codes API — Local aquifers in USGS data are identified by an aquifer name and geohydrologic unit code (a three-digit number related to the age of the formation,…
- Department of Interior Aquifer Types API — Groundwater occurs in aquifers under two different conditions. Where water only partly fills an aquifer, the upper surface is free to rise and decline.…
- Department of Interior Channel Measurements API — Channel measurements taken as part of streamflow field measurements.
- Department of Interior Citations API — Citations associated with water measurement methods.
- Department of Interior Combined Metadata API — This endpoint combines metadata from timeseries and field measurements collections by site.
- Department of Interior Continuous API — Continuous data are collected via automated sensors installed at a monitoring location. They are collected at a high frequency and often at a fixed…
- Department of Interior Coordinate Accuracy Codes API — Appropriate code on the schedule to indicate the accuracy of the latitude-longitude values.
- Department of Interior Coordinate Datum Codes API — Horizontal datum code for the latitude/longitude coordinates. There are currently more than 300 horizontal datums available for entry.
- Department of Interior Coordinate Method Codes API — Methods used to determine latitude-longitude values.
- Department of Interior Counties API — The name of the county or county equivalent (parish, borough, planning reagion, etc.) in which the site is located. List includes Census Bureau FIPS county…
- Department of Interior Countries API — FIPS country codes and names.
- Department of Interior Daily API — Daily data provide one data value to represent water conditions for the day. Throughout much of the history of the USGS, the primary water data available…
- Department of Interior Field Measurements API — Field measurements are physically measured values collected during a visit to the monitoring location. Field measurements consist of measurements of gage…
- Department of Interior Field Measurements Metadata API — This endpoint provides metadata about field measurement collections, including when the earliest and most recent observations for a parameter occurred at a…
- Department of Interior Hydrologic Unit Codes API — Hydrologic units are geographic areas representing part or all of a surface drainage basin or distinct hydrologic feature identified by a unique number…
- Department of Interior Latest Continuous API — This endpoint provides the most recent observation for each time series of continuous data. Continuous data are collected via automated sensors installed at…
- Department of Interior Latest Daily API — Daily data provide one data value to represent water conditions for the day. Throughout much of the history of the USGS, the primary water data available…
- Department of Interior Latest Field Measurements API — Field measurements are physically measured values collected during a visit to the monitoring location. Field measurements consist of measurements of gage…
- Department of Interior Medium Codes API — Medium refers to the specific environmental medium from which the sample was collected. Medium type differs from site type because one site type, such as…
- Department of Interior Method Categories API — Categorical standards for methods describing the associated data's appropriateness for an intended use.
- Department of Interior Method Citations API — Citation identifiers for water measurement methods.
- Department of Interior Methods API — Water measurement or water-quality analytical methods. Codes and descriptions defining a method for calculating or measuring the value of a water quality or…
- Department of Interior Monitoring Locations API — Location information is basic information about the monitoring location including the name, identifier, agency responsible for data collection, and the date…
- Department of Interior National Aquifer Codes API — National aquifers are the principal aquifers or aquifer systems in the United States, defined as regionally extensive aquifers or aquifer systems that have…
- Department of Interior Parameter Codes API — Parameter codes are 5-digit codes and associated descriptions used to identify the constituent measured and the units of measure. Some parameter code…
- Department of Interior Peaks API — Annual peak flow values are the maximum instantaneous streamflow values recorded at a particular site for the entire water year from October 1 to September…
- Department of Interior Reliability Codes API — Code indicating the reliability of the data available for the site.
- Department of Interior Server API — These APIs provide OGC-compliant interfaces to USGS water data, letting you download continuous sensor measurements, discrete field measurements, metadata…
- Department of Interior Site Types API — The hydrologic cycle setting or a man-made feature thought to affect the hydrologic conditions measured at a site. Primary and secondary site types…
- Department of Interior States API — State name or territory. Includes U.S. states and foreign entities classified under FIPS as 'Principal Administrative Divisions'.
- Department of Interior Statistic Codes API — Statistic codes.
- Department of Interior Time Series Metadata API — Daily data and continuous measurements are grouped into time series, which represent a collection of observations of a single parameter, potentially…
- Department of Interior Time Zone Codes API — The ISO 8601 standard defines time zone offsets as a numerical value added to a local time to convert it to Coordinated Universal Time (UTC), either as…
- Department of Interior Topographic Codes API — The code that best describes the topographic setting in which the site is located. Topographic setting refers to the geomorphic features in the vicinity of…
- DOI Open Data Catalog — Department-wide open-data catalog at data.doi.gov, including datasets from all Interior bureaus.
- USFWS Environmental Conservation Online System (ECOS) API — U.S. Fish and Wildlife Service data on listed species under the Endangered Species Act and the National Wildlife Refuge System.
- Bureau of Reclamation Water Data — Reclamation reservoir, dam, and water-operations data for the western United States.
- ONRR Natural Resources Revenue Data — Office of Natural Resources Revenue datasets on royalty, rent, and bonus revenue from federal energy and mineral production.
- Department of Interior Alerts API — Park alerts and emergencies
- Department of Interior Articles API — News articles and releases
- Department of Interior Campgrounds API — Campground listings
- Department of Interior Counts API — Event count queries
- Department of Interior Daily Values API — Daily statistical values
- Department of Interior Events API — Park events
- Department of Interior Instantaneous Values API — Real-time instantaneous values
- Department of Interior Parks API — National parks
- Department of Interior Sites API — Water-monitoring sites
- Department of Interior Visitor Centers API — Visitor centers
Each property below is a page on APIs.io carrying the machine-readable artifact and what it says.
Which operations an agent can call, which act, and which need a human in the loop.
The data models the API reads and writes.
Linked-data contexts for the provider's vocabulary.
The provider's domain terms, defined.
Example requests and responses.
- Earthquake Example
- Park Example
- Usgs Water Collections Example
- Usgs Water Error Example
- Usgs Water Monitoring Location Example
Postman and Open Collection request collections.
- USGS Water Data OGC APIs agency-codes API
- USGS Water Data OGC APIs agency-codes altitude-datums API
- USGS Water Data OGC APIs agency-codes aquifer-codes API
- USGS Water Data OGC APIs agency-codes aquifer-types API
- USGS Water Data OGC APIs agency-codes channel-measurements API
- USGS Water Data OGC APIs agency-codes citations API
- USGS Water Data OGC APIs agency-codes combined-metadata API
- USGS Water Data OGC APIs agency-codes continuous API
- USGS Water Data OGC APIs agency-codes coordinate-accuracy-codes API
- USGS Water Data OGC APIs agency-codes coordinate-datum-codes API
- USGS Water Data OGC APIs agency-codes coordinate-method-codes API
- USGS Water Data OGC APIs agency-codes counties API
- USGS Water Data OGC APIs agency-codes countries API
- USGS Water Data OGC APIs agency-codes daily API
- USGS Water Data OGC APIs agency-codes field-measurements API
- USGS Water Data OGC APIs agency-codes field-measurements-metadata API
- USGS Water Data OGC APIs agency-codes hydrologic-unit-codes API
- USGS Water Data OGC APIs agency-codes latest-continuous API
- USGS Water Data OGC APIs agency-codes latest-daily API
- USGS Water Data OGC APIs agency-codes latest-field-measurements API
- USGS Water Data OGC APIs agency-codes medium-codes API
- USGS Water Data OGC APIs agency-codes method-categories API
- USGS Water Data OGC APIs agency-codes method-citations API
- USGS Water Data OGC APIs agency-codes methods API
- USGS Water Data OGC APIs agency-codes monitoring-locations API
- …and 11 more published on APIs.io
Spectral rulesets for the provider's contracts.
Authentication, trust centre, and vulnerability disclosure.
Published plans, tiers and prices.
Published request limits.
What the API costs to run, by operation.
Links to the company's own pages. This repository publishes no copy of their specifications — the canonical document is theirs and lives at the URLs below.
Kin Score 29.8 — thin · rubric 0.24.0 · scored 2026-10-17
| Facet | Score |
|---|---|
| Discoverability | 71.4 |
| Contract quality | 58.7 |
| Contract governance | 9.8 |
| Operational transparency | 5.3 |
| Developer ergonomics | 23.8 |
| Access clarity | 7.9 |
Agent readiness 19.2 — agent-aware
| Agent-readiness dimension | Result |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived (partial credit) |
| Reversibility Documented | — |
| MCP Server | — |
| Auth Clarity | bearer (partial credit) |
| Idempotency | — |
| Error Semantics | — |
| OpenAPI Examples | documented (partial credit) |
| Rate Limit Signal | derived (partial credit) |
| Event Surface Described | — |
| Agent Skills | — |
| Well Known Catalog | — |
| Consent Identity | — |
| Agent Card | — |
| Dry Run Mode | — |
| Delegated Identity | — |
| Protected Resource Metadata | — |
| Dynamic Client Registration | — |
| Agentic Commerce | — |
Regulatory alignment 16.7 — Government & Public Sector
The rubric is published at github.com/api-evangelist/kin-score. The per-check breakdown behind these numbers — which checks were earned, partial or missed — along with score history and how this provider compares to its peers, is available at apis.io/providers/doi/.
API Evangelist profiles a company's public API surface the way a developer would find it: the website, developer portal and documentation, the specifications it publishes, its public repositories, and its pricing, status and changelog pages. From that it derives the properties above — contracts split per API, workflows, schemas, collections, governance rules, plans and rate limits — and scores them against the published Kin Score rubric.
The artifacts are published on APIs.io, not in this repository. This repository is the public record for Department of Interior: the place to say something is wrong, missing or out of date, and to ask for a re-score or a removal.
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